.fade-enter-active,
.fade-leave-active {
    transition: all 0.3s ease;
}

.fade-enter {
    opacity: 1;
    transform: translate3d(0, 100px, 0);
}

.fade-leave-active {
    opacity: 0;
    transform: translate3d(100px, 0, 0);
}

.bei-an {
    float: right;
}

.bei-an i {
    display: inline-block;
    width: 14px;
    height: 14px;
    vertical-align: top;
    background: url('https://ae01.alicdn.com/kf/HTB1RRHHbGSs3KVjSZPiq6AsiVXaV.jpg');
    background-size: cover;
}
